In the 2016 census, Blue Mountain had a population of 92 people.[10]
In the 2021 census, Blue Mountain had a population of 83 people.[1]
Education
There are no schools in Blue Mountain. The nearest government primary schools are Eton State School in neighbouring Eton to the north and Swayneville State School in neighbouring Sarina to the east. The nearest government secondary schools are Mirani State High School in Mirani to the north and Sarina State High School in Sarina.[11]